William a



-(No Model.)

. W. APMQDONALD.

SASH HOLDER.

atented Jan. '29, 1884.

- I l Ii T v ii H.

l i H MINI I l VINVENTOR 9M. mw fiz ATTORNEYS.

" WITNESSES:

I a r UNITED STATES PATENT O FICE.

WILLIAM A. MCDONALD, OF MI NNEAPQLIS, MIN1 TESOTA, ASSIGNOR OF "ONE-HALFTO FRANK J. GROSS, OF SAME PLACE.

SASH-HOLDER.

SPECIFICATION forming part of Letters Patent No. 292,670, dated January29, 1884.

Application filed September 29, 1883. (No model.)

To all whom it may concern.-

Be it known that 1, WILLIAM A. McDoN- ALD, of Minneapolis, in the countyof Hennepin and State of Minnesota, have invented a new and ImprovedSash-Holder, of which the following is a full, clear, and exact description.

The object of the invention is to improve that class of sash-holders in,which a frictionroll is pressed by a spring or springs against thesash, as hereinafter described, and pointed out in the claims.

Reference is to be had to the accompanying drawings, forming partof thisspecification, in which similar letters of reference indicatecorresponding parts in both the figures.

' Figure 1 is a perspective View of the sashholder. Fig. 2 is a frontsectional elevation receive the sash-holders B, whicli'are com posed ofthe cylindrical spring-cups O, spiral or other springs-D, face-plate E,and roller F. The spring-cups G are fitted tightly within the recess a,and contain the spiral or other shaped springs, D, which are made ofspringmetal. The faceplate E has a slot, e, and bearings 6 for thereception of the roller F and its axle f, and is adapted by its oppositeends, 6, to receive the thrust of the springs D. The cups 0 havelips cwhich project'over the circular ends 6 of plate E and hold plate E inplace. The roller F may be made of elastic rubber or other material, andis adapted to I turn on its axle f in bearings 6 formed in plate E, andto project from the face of plate E and press against the jamb a of thewindow.

The operation is as follows: The rollers F are pressed by the springsDagainst the jambs a a of the window with sufficient force to sustainthe weight of thesash A and hold it in any position at which it may beplaced.

The advantages of my invention are in the simplicity of its constructionand action. It is entirely out of sight. It permits the free raising andlowering of the sash, and holds it in the desired position. It is alsodurable,-

claim as new, and'desire to secure by Letters Patent, is-

1. The combination, with the springs D D, of cups 0 0, open at one sideand having the lip c, and a roller face-plate, having ends 6, fittingunder said lips, to receive the pressure of the springs, as shown anddescribed.

2. The spring-cup G, constructed, substantially as described, with thelip'c, and adapted to receive the spring D and face-plate E, as setforth.

3. The face-plate E, constructed, substantially as described, with theopposite ends, 6, and slot 6, and adapted to fit the cup 0 and toreceive the roller F, as set forth.

WILLIAM A. MCDONALD.

Witnesses:

JAMES W. LAW ENCE, FRANK J. ORoss.

